The front cover portion of the dust jacket.
Cover art is an homage to the cover of Our Fighting Forces (DC, 1954 series) #48 (August 1959).
Story in three chapters: unnumbered chapter 1 (6.67 pages), Chapter 2 (6.67 pages), Chapter 3 (10.67 pages); Chapters 2 and 3 with title "Conquerors of Time!"
14th and 23rd story page are only half pages, so page count is 22 instead of 23.